Fizeau speed of light
Ole Christensen Rømer was a Danish astronomer who, in , first demonstrated that light travels at a finite speed.
Speed of light in air
Ole Christensen Rømer was a Danish astronomer who in made the first quantitative measurements of the velocity of light.
Ole roemer speed of light
Ole Romer () was the first to prove that light propagates at finite speed.
Ole romer biography death
Ole Christensen Romer was a prolific Danish astronomer, mathematician, and physicist.